Kate Walsh Dr. Addison Montgomery Actor Tim Daly Dr. Pete Wilder Actor Audra McDonald Dr. Naomi Bennett Actor Paul Adelstein Dr. Cooper Freedman Actor Kadee Strickland Dr. Charlotte King Actor Christopher Lowell William "Dell" Parker Actor Taye Diggs Dr. Sam Bennett Actor Amy Brenneman Dr. Violet Turner Actor Brian Benben Dr. Sheldon Wallace Guest Star James Morrison William White Guest Star Michael Patrick Thornton Dr. Gabriel Fife Guest Star Christina Chang Dr. Vanessa Hoyt Guest Star Monica Keena Kayla Lindy Guest Star Derek Phillips Eddie Lindy Guest Star Judith Hoag Angie McConnell Guest Star Michael Reilly Burke Simon McConnell Guest Star Madeline Carroll Maggie Roberts Guest Star Lauren Bowles Cyndy Roberts Guest Star Todd Babcock Joe Roberts Guest Star Shonda Rhimes Executive Producer Betsy Beers Executive Producer Marti Noxon Executive Producer Mark Gordon Executive Producer Mark Tinker Executive Producer Jon Cowan Executive Producer Robert Rovner Executive Producer Steve Blackman Writer Tom Verica Director